package com.itheima.spring.mapper;

import com.itheima.spring.pojo.User;

public interface UserMapper {
    //查询语句
    User queryUser(Integer id);
    //删除语句
    Integer deleteUser(Integer id);
    //插入语句
    Integer insertUser(User user);
    //修改语句
    User updateUser(User user);
}
